<?php

// Tiled data server
// Input: 
// x,y,z - standard Google tiling system values
// poi,way - comma separated tag values to select given features
// kothic - output kothic-js format geojson rather than standard geojson if !=0
// contours - output LandForm Panorama contours if !=0
// coastline - output coastline if !=0

require_once('../../lib/functionsnew.php');
require_once('DataGetter.php');
require_once('xml.php');

$cleaned = clean_input($_REQUEST);

define('CONTOUR_CACHE','/var/www/images/contours');

$x = $cleaned["x"];
$y = $cleaned["y"];
$z = $cleaned["z"];


$outProj = (isset($cleaned['outProj'])) ? $cleaned['outProj']: '900913';
adjustProj($outProj);

$conn=pg_connect("dbname=gis user=gis");

$bbox = get_sphmerc_bbox($x,$y,$z);
if(isset($cleaned["kothic"]) && $cleaned["kothic"])
{
	$sw = sphmerc_to_ll($bbox[0],$bbox[1]);
	$ne = sphmerc_to_ll($bbox[2],$bbox[3]);
	$kg=isset($cleaned["kg"]) ? $cleaned["kg"]: 1000;
	if(!file_exists(CONTOUR_CACHE."/$kg/$z/$x"))
		mkdir(CONTOUR_CACHE."/$kg/$z/$x",0755,true);
	$bg = new BboxGetter($bbox,$kg);
	$data=$bg->getData($cleaned,CONTOUR_CACHE."/$kg/$z/$x/$y.json",$outProj);
	$data["granularity"] = $kg;
	$data["bbox"] = array($sw['lon'],$sw['lat'],$ne['lon'],$ne['lat']);
	echo "onKothicDataResponse(".json_encode($data).",$z,$x,$y);";
}
else
{
	header("Content-type: application/json");
	$bg=new BboxGetter($bbox);
	$data=$bg->getData($cleaned,null,$outProj);
	echo json_encode($data);
}

pg_close($conn);

?>